144420404443 has 16 divisors (see below), whose sum is σ = 166553035200. Its totient is φ = 122668056576.

The previous prime is 144420404441. The next prime is 144420404467. The reversal of 144420404443 is 344404024441.

It is a cyclic number.

It is not a de Polignac number, because 144420404443 - 2¹ = 144420404441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144420404399 and 144420404408.

It is not an unprimeable number, because it can be changed into a prime (144420404441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139233 + ... + 555181.

It is an arithmetic number, because the mean of its divisors is an integer number (10409564700).

Almost surely, 2^144420404443 is an apocalyptic number.

144420404443 is a deficient number, since it is larger than the sum of its proper divisors (22132630757).

144420404443 is a wasteful number, since it uses less digits than its factorization.

144420404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416406.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 144420404443 its reverse (344404024441), we get a palindrome (488824428884).

The spelling of 144420404443 in words is "one hundred forty-four billion, four hundred twenty million, four hundred four thousand, four hundred forty-three".